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Finding the Fourth Proportional to 176,554.50, 243,627 and 104,920.74

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Solution

The fourth proportional to 176,554.50, 243,627 and 104,920.74 is: 144,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,554.50 : 243,627 = 104,920.74 : x
  2. Step 2: Convert to fraction form
    176,554.50/243,627 = 104,920.74/x
  3. Step 3: Cross multiply
    176,554.50x = 243,627 × 104,920.74
  4. Step 4: Simplify right side
    176,554.50x = 25,561,525,123.98
  5. Step 5: Solve for x
    x = 25,561,525,123.98/176,554.50
  6. Step 6: Final answer
    x = 144,779.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.